US Bridges

Ohara Road over Weeks Drain

Fair

Saginaw County, Michigan · 0.4 MI E of Fenmore Road · Structure no. 000000000009349

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
28 ft
1 main span
Daily traffic
70
2010 count
Owner
County
County Highway Agency

About this bridge

Ohara Road over Weeks Drain is a steel culvert carrying Ohara Road over Weeks Drain in Saginaw County, Michigan. It was built in 1973, so it is 52 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 70 vehicles a day, roughly 5% of them trucks, projected to reach 74 by 2020. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOhara Road
CrossesWeeks Drain
Location0.4 MI E of Fenmore Road
RouteCounty Highway 0
Coordinates43.43352, -84.3425
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2010)
Projected traffic74 by 2020
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ohara Road over Weeks Drain built?

It was built in 1973, making it 52 years old in 2025.

What condition is Ohara Road over Weeks Drain in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Ohara Road over Weeks Drain carry?

About 70 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Ohara Road over Weeks Drain?

The structure is 28 ft (8.5 m) long with a longest span of 21 ft (6.4 m).

Who owns Ohara Road over Weeks Drain?

It is owned by the County Highway Agency.